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https://issues.apache.org/jira/browse/FLINK-9326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16469326#comment-16469326
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Samuel Doyle commented on FLINK-9326:
-
I'm guessing this is because it appears whatever number of slots that was set
in the configuration is later overridden ?
In the *LocalStreamEnvironment* *execute* method
{code:java}
...
// add (and override) the settings with what the user defined
configuration.addAll(this.configuration);
if (!configuration.contains(RestOptions.PORT)) {
configuration.setInteger(RestOptions.PORT, 0);
}
MiniClusterConfiguration cfg = new MiniClusterConfiguration.Builder()
.setConfiguration(configuration)
.setNumSlotsPerTaskManager(jobGraph.getMaximumParallelism()) // <-- HERE
overrides the slots
.build();
...{code}
> TaskManagerOptions.NUM_TASK_SLOTS does not work for local/embedded mode
> ---
>
> Key: FLINK-9326
> URL: https://issues.apache.org/jira/browse/FLINK-9326
> Project: Flink
> Issue Type: Bug
> Components: Core
>Affects Versions: 1.5.0
> Environment: Linux 64bit
> Flink branch release-1.5
>Reporter: Samuel Doyle
>Priority: Major
>
> When attempting to set the number of task slots via the api such ash
> {code:java}
> configuration = new Configuration();
> configuration.setInteger(TaskManagerOptions.NUM_TASK_SLOTS, 16);
> configuration.setInteger(CoreOptions.DEFAULT_PARALLELISM, 1);
> {code}
> I will always end up with the default slot setting based on the number of
> cores I have where my standalone instance is running, it doesn't matter what
> I set the the NUM_TASK_SLOTS to, it has no effect
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